leaders are voicing their support for israel. president obama today defended israel's right to defend itself. brian mooar has the story. >> at a news conference in thailand, president obama backend israel's right to strike back. >> we are pro is supportive of the right to defend themselves from missile landing on people's homes, workplaces, and potentially killing civilians. >> they were striking that the blows from the air and they are preparing for a possible ground invasion. washington lawmakers closing ranks. >> sending in ground troops is the only way they can clean out these nests of rockets being fired at them. you cannot blame them. >> nobody wants a ground war but israel has determined what they have to do to preserve their security. >> both sides are trying to come back from the brink and u.s. leaders are debating how prominent the american role shall be. >> trying to find someone even as high ranking as former president bill clinton and to go and be a negotiator. >> trying to sell a ceasefire as a winner for the palest